Linting

LeapSQL includes a comprehensive linter with 32 SQL rules and 13 project rules.

Rule Types

• SQL Rules: Analyze individual SQL statements for style, correctness, and best practices
• Project Rules: Analyze DAG structure, model organization, and data lineage

Severity Levels

Severity	Description
error	Critical issue that should be fixed
warning	Potential issue that should be reviewed
info	Informational feedback
hint	Suggestion for improvement

Configuration

Rules can be configured in leapsql.yaml:

lint:
  rules:
    AM01: off              # disable rule
    AL06:
      severity: error      # override severity
      max_length: 30       # rule-specific option

Rule Categories

SQL Rules

Category	Prefix	Description
Aliasing	AL	Alias usage and naming
Ambiguous	AM	Ambiguous SQL constructs
Convention	CV	SQL coding conventions
References	RF	Column and table references
Structure	ST	Query structure

Project Rules

Category	Prefix	Description
Modeling	PM	Model structure and organization
Lineage	PL	Data lineage and dependencies
Structure	PS	Project structure and naming